Polyethylene (PE) supply is expected to remain restricted in Asia despite a renewed influx of imports from Iran, owing to planned maintenance shutdowns at PE plants elsewhere in the Mideast during the first quarter, IHS Chemical says. Iranian exports have returned to normal following two months of uncertainty that led to disruptions to shipments and a tightening of supply, an IHS Chemical report says. Demand for low-density PE (LDPE) and linear LDPE (LLDPE) in China and Southeast Asia has softened slightly over the past week, in part because of preparations for...